1111123030001 has 4 divisors (see below), whose sum is σ = 1113654062400. Its totient is φ = 1108591997604.

The previous prime is 1111123029967. The next prime is 1111123030009. The reversal of 1111123030001 is 1000303211111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111123030001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111123030009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1265515541 + ... + 1265516418.

It is an arithmetic number, because the mean of its divisors is an integer number (278413515600).

Almost surely, 2^{1111123030001} is an apocalyptic number.

It is an amenable number.

1111123030001 is a deficient number, since it is larger than the sum of its proper divisors (2531032399).

1111123030001 is an equidigital number, since it uses as much as digits as its factorization.

1111123030001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2531032398.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 1111123030001 its reverse (1000303211111), we get a palindrome (2111426241112).

The spelling of 1111123030001 in words is "one trillion, one hundred eleven billion, one hundred twenty-three million, thirty thousand, one".